Hey, that was MY line, "...about $5 a quart!" I started using a synthetic, EON (later NEO; some kinda legal thing...) in my new '75 Cosworth Vega after consulting with an Engine Builder friend of mine, concerned about the 'silicone-lapped aluminum block'... We're STILL Friends... Over the years, my interest in Synthetics ebbed and flowed (pun intended), as I have Never had an oil-related failure using either high-grade Natural Lubes or Synthetics. I've used Castrol in my Brit Bike, Kendall GT-1 in the Race Cars, along with Amsoil and Red Line Products. Street Cars use Quaker State, Diesel Hauler Shell Rotella, and all seem very happy with my selections. My one complaint is in regard to early Mobil 1 products. I had NO LUCK with their Gear Oil; it burned, stank like HELL (even causing the neighbors to call the Fire Department, who called out HazMat...), and the problem was corrected with one of the above alternatives... Just Sayin'...
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